Argutite
      Haines J, Leger J M, Chateau C, Pereira A S
      Physics and Chemistry of Minerals 27 (2000) 575-582
      Structural evolution of rutile-type and CaCl2-type germanium dioxide
      at high pressure
      Sample: rutile-type, P = 6.2 GPa
      _database_code_amcsd 0008433

      CELL PARAMETERS:    4.3553   4.3553   2.8463   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     53.990
      Density (g/cm3):      6.436
      MAX. ABS. INTENSITY / VOLUME**2:      124.0613918    
      RIR:      6.277
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.99        100.00        3.0797    1   1   0         4
                37.76         64.74        2.3826    1   0   1         8
                41.47         15.23        2.1776    2   0   0         4
                43.28          7.55        2.0903    1   1   1         8
                46.63          2.40        1.9477    2   1   0         8
                57.32         56.89        1.6074    2   1   1        16
                60.09         14.99        1.5398    2   2   0         4
                65.60          6.67        1.4231    0   0   2         2
                68.08         11.24        1.3773    3   1   0         8
                73.18         16.72        1.2933    3   0   1         8
                73.27         11.27        1.2919    1   1   2         8
                80.65          4.70        1.1913    2   0   2         8
                87.78          8.31        1.1120    3   2   1        16
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.